Watch List notes:

Herennius Etruscus, as Caesar, 249-251. Antoninianus (Silver, 21mm, 2.90 g 6), Rome, 250-251. Q HER ETR MES DECIVS NOB C Radiate, draped and cuirassed bust of Herennius Etruscus to right. Rev. CONCORDIA AVGG Clasped right hands. Cohen 4. RIC 138. Slightly porous, otherwise, extremely fine.